21110302912 has 14 divisors (see below), whose sum is σ = 41890757468. Its totient is φ = 10555151424.

The previous prime is 21110302901. The next prime is 21110302931. The reversal of 21110302912 is 21920301112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164924178 + ... + 164924305.

It is an arithmetic number, because the mean of its divisors is an integer number (2992196962).

Almost surely, 2^21110302912 is an apocalyptic number.

It is an amenable number.

21110302912 is a deficient number, since it is larger than the sum of its proper divisors (20780454556).

21110302912 is an equidigital number, since it uses as much as digits as its factorization.

21110302912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329848495 (or 329848485 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 21110302912 in words is "twenty-one billion, one hundred ten million, three hundred two thousand, nine hundred twelve".